Like a giant exploding ember floating in space, a planet made of molten lava and covered in active volcanoes was recently described in The Astronomical Journal. Known as TOI-6713.01, the exoplanet was ...

Stars like the Sun are remarkably constant. They vary in brightness by only 0.1% over years and decades, thanks to the fusion of hydrogen into helium that powers them. This process will keep the Sun ...

A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 per cent of sun-like stars ...

SpaceX confirmed that one Starlink satellite recently exploded in orbit, and it is now tumbling to re-enter the planet.

Researchers have discovered chemical fingerprints of Earth's earliest incarnation, preserved in ancient mantle rocks. A unique imbalance in potassium isotopes points to remnants of “proto Earth” ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers have ...

An incredible new video taken by a NASA astronaut living aboard the International Space Station shows an epic explosion over Earth. But it’s not warfare or any other man-made horror that created the ...

A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth than the hypothetical Planet X, which astronomers have been hunting for ...

SpaceX’s Super Heavy-Starship rocket achieved its first successful full test flight on Thursday, returning from space and landing safely without exploding after launching from Texas. The test mission ...